| Patents for B01D 71 - Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor (23,060) |
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| 04/06/2011 | CN102006925A Porous multilayer filter and method for producing same |
| 04/06/2011 | CN102006924A A polymeric hybrid membrane |
| 04/06/2011 | CN102006921A Separation of carbon dioxide from methane utilizing zeolitic imidazolate framework materials |
| 04/06/2011 | CN102002768A Method for preparing high-efficiency hydrophilic modified polyethylene hollow fibrous membrane |
| 04/06/2011 | CN102000517A Hydrophilic modification method for macromolecular filter membrane and obtained product |
| 04/06/2011 | CN102000516A Method for preparing polydimethylsiloxane (PDMS)/polyvinylidene fluoride (PVDF) composite hollow fiber film |
| 04/06/2011 | CN102000515A Thermoplastic polyurethane hollow fiber membrane and preparation method thereof |
| 04/06/2011 | CN102000514A Polyvinylidene fluoride separation film with adjustable film holes and preparation method thereof |
| 04/06/2011 | CN102000513A Antibacterial polyolefin microfiltration membrane and preparation method thereof |
| 04/06/2011 | CN102000511A Method for preparing positive charge hollow fiber nanofiltration membrane through surface UV irradiation grafting |
| 04/06/2011 | CN102000457A Fe3Al intermetallic compound filter element and pre-oxidization treatment method and application thereof |
| 04/06/2011 | CN101757863B Fluorine-containing crosslinking ionic membrane reinforced by fibre and preparation method thereof |
| 04/06/2011 | CN101757862B Microporous membrane reinforcing fluorine-containing cross linking doping ion exchange membrane and preparation method thereof |
| 04/06/2011 | CN101745323B Fiber reinforced composite multi-layer total fluoride crosslinking ionic membrane and preparation method thereof |
| 04/06/2011 | CN101733016B Functional group grafted porous membrane compound perfluorinated ion exchange membrane |
| 04/06/2011 | CN101733011B Fiber reinforced perfluoro dual crosslinked ion membrane and preparation method thereof |
| 04/06/2011 | CN101733009B Microporous membrane reinforced perfluoro crosslinked ion exchange membrane |
| 04/06/2011 | CN101549242B Gel enzyme membrane device for removing CO2 in manned spacecraft |
| 04/06/2011 | CN101439267B Method for preparing palladium-based composite membranes |
| 04/06/2011 | CN101433809B Integral step-by-step multiple-stage heat-preserving sintering process of metal porous membrane tube |
| 04/06/2011 | CN101391181B Method for preparing porous ceramic film support |
| 04/06/2011 | CN101262932B Vinylidene fluoride resin hollow fiber porous membrane and method for production thereof |
| 04/05/2011 | US7919178 method for surface modification of porous membranes with a free radical polymerized polymer coating to a predetermined and controlled depth from a first facial surface; ultrafiltration membranes |
| 04/05/2011 | US7918986 Making solutions of alkali alkoxides (eg sodium methoxide ) in their corresponding alcohols (methanol from aqueous sodium hydroxide) |
| 04/05/2011 | US7918349 Composite polyamide membrane with branched poly(alkylene oxide) modified surface |
| 04/05/2011 | CA2432046C Separation membrane, separation membrane element, separation membrane module, sewage treatment apparatus, and method for making the separation membrane |
| 04/05/2011 | CA2351779C Fluorinated ionomers with sulphonyl functions |
| 03/31/2011 | WO2011037706A2 Method to improve the selectivity of polybenzoxazole membranes |
| 03/31/2011 | WO2011037354A2 Fluorine-based hollow-fibre membrane and a production method therefor |
| 03/31/2011 | WO2010147802A3 Microporous membranes, methods for making these membranes, and the use of these membranes as battery separator films |
| 03/31/2011 | WO2010147798A3 Microporous membranes, methods for making such membranes, and the use of such membranes as battery separator film |
| 03/31/2011 | WO2010129411A3 Molecular sieve membranes and thermal treatment methods of making the same |
| 03/31/2011 | US20110073541 Crystalline polymer microporous membrane, method for producing the same, and filtration filter |
| 03/31/2011 | US20110073540 Forward osmosis membranes |
| 03/31/2011 | US20110073536 Substainable technology for treatment of batik waste effluent |
| 03/31/2011 | CA2769418A1 Method to improve the selectivity of polybenzoxazole membranes |
| 03/30/2011 | EP2300134A1 Hybrid silica membrane for water removal from lower alcohols and hydrogen separation |
| 03/30/2011 | EP1334072B1 Adsorption container and iron oxide adsorber |
| 03/30/2011 | CN101998879A Composite membranes |
| 03/30/2011 | CN101992034A Hydrophilic modification method for polyether sulfone microporous film |
| 03/30/2011 | CN101992033A Method for preparing polyimide hollow fiber pervaporation membrane and application thereof |
| 03/30/2011 | CN101992032A Polyurethane/zeolite blended oxygen-enriched membrane and preparation method thereof |
| 03/30/2011 | CN101992031A Method for preparing interpenetrating network membrane for desulfurating in gasoline pervaporation |
| 03/30/2011 | CN101992030A Organic and inorganic matter modified polyvinylidene fluoride five-hole fiber ultrafiltration membrane and preparation thereof |
| 03/30/2011 | CN101992029A Preparation method for chitosan-sodium caseinate blend films |
| 03/30/2011 | CN101531765B Method for preparing sulfonated polymer films |
| 03/30/2011 | CN101530749B Method for preparing carboxymethyl cellulose and bacterial cellulose composite material |
| 03/30/2011 | CN101121100B Membrane surface modification by radiation-induced polymerization |
| 03/29/2011 | CA2454697C Fuel cell and electrolytic cell comprising an ion-conductive polymeric material |
| 03/24/2011 | WO2011033235A1 Composite material comprising an organic-inorganic material, preparation process, and uses |
| 03/24/2011 | WO2010151451A3 Polybenzoxazole membranes prepared from aromatic polyamide membranes |
| 03/24/2011 | WO2010129171A3 Cylindrical filter |
| 03/24/2011 | US20110068002 Ion exchange membranes |
| 03/23/2011 | EP2298440A1 Oxygen absorber |
| 03/23/2011 | EP2298437A1 Carbon film and method for producing the same |
| 03/23/2011 | EP2297809A1 Method for producing a proton-conductive, structured electrolyte membrane |
| 03/23/2011 | EP2297599A2 Improved method for making enclosures filled with liquid and sealed by a membrane |
| 03/23/2011 | EP2297037A2 Uniformly b-oriented mfi zeolite membrane with variable thickness supported on substrate and preparation method thereof |
| 03/23/2011 | EP2074057B1 Process for the extraction of hydrogen from a gas mixture |
| 03/23/2011 | EP2051861B1 Porous membrane and its method of manufacture |
| 03/23/2011 | EP2025031B1 Fuel cell and polymer electrolyte membrane |
| 03/23/2011 | EP1833597B1 Multilayer porous membrane and process of manufacture |
| 03/23/2011 | CN201768500U Three-hole PVC (polyvinyl chloride) hollow fibre membrane preparing device |
| 03/23/2011 | CN201768499U PVC alloy filter film |
| 03/23/2011 | CN101987283A Nanofiber material and desalting filter material |
| 03/22/2011 | US7910003 Polysulfone and poly(N-vinyl lactam) polymer alloy and fiber and filter materials made of the alloy |
| 03/22/2011 | US7909917 Porous structure with seed crystal-containing layer for manufacturing zeolite membrane, zeolite membrane, and method for manufacturing zeolite membrane |
| 03/22/2011 | US7909179 Modified with aryl residues terminally-linked to the insoluble branched polyamide matrix through sulfonamide bonds; separations in extreme high pH applications, at high temperatures, stable performance over time; commercial scale |
| 03/22/2011 | CA2432408C Recovery of xylose by nanofiltration |
| 03/22/2011 | CA2348904C Element provided with a fibrin layer, preparation and use thereof |
| 03/17/2011 | WO2011030902A1 Hydrogen separation membrane and method for separating hydrogen |
| 03/16/2011 | EP1310005B1 Multi-component composite film method for preparing the same |
| 03/16/2011 | CN101985086A Temperature response hollow fiber separation membrane |
| 03/16/2011 | CN101985085A Polyester flat microporous membrane and preparation method thereof |
| 03/16/2011 | CN101985084A Preparation method for ceramic Ti-Al alloy composite membrane |
| 03/16/2011 | CN101543732B Metallic oxide proton conduction material and preparation method thereof |
| 03/16/2011 | CN101513593B Hydrophilic polyvinyl chloride membrane and preparation method thereof |
| 03/15/2011 | US7905429 Dispensing system and method for shower arm |
| 03/15/2011 | CA2585187C Hydrogen separation membrane, sputtering target for forming said hydrogen separation membrane, and manufacturing method thereof |
| 03/15/2011 | CA2475501C Polymer electrolyte membranes for use in fuel cells |
| 03/10/2011 | WO2011028541A2 Forward osmosis membranes |
| 03/10/2011 | WO2011028342A2 Enhanced transport selectivity using nanoparticle filled polymers |
| 03/10/2011 | WO2011027878A1 Porous vinylidene fluoride resin membrane and process for producing same |
| 03/10/2011 | WO2011027787A1 Method for dewatering water-containing organic substance |
| 03/10/2011 | WO2011027138A1 Process for preparing composite membranes |
| 03/10/2011 | WO2010145828A3 Method for the production of a high-molecular polyazole |
| 03/10/2011 | WO2010145827A3 Composition containing polyazole |
| 03/10/2011 | CA2771902A1 Forward osmosis membranes |
| 03/09/2011 | CN201755453U Fiber yarn enhancement composite hollow fiber membrane |
| 03/09/2011 | CN101983759A Preparation method of bipolar membrane of high ionic transmission efficiency by anion-doped fast ionic conductor |
| 03/09/2011 | CN101983758A Polymer/inorganic nanometer composite separation membrane and preparation method thereof |
| 03/09/2011 | CN101983757A Palladium composite membrane taking multihole FeAlCr as substrate and preparation method thereof |
| 03/09/2011 | CN101733005B Modified cross-linked perfluorinated ion-exchange membrane |
| 03/03/2011 | WO2011024908A1 Gas separation membrane |
| 03/03/2011 | WO2011023252A1 Ceramic membrane having a catalytic membrane-material coating |
| 03/03/2011 | WO2010120100A9 Composite hollow fiber membrane and method for manufacturing the same |
| 03/03/2011 | US20110049055 Reverse osmosis composite membranes for boron removal |
| 03/03/2011 | US20110049044 Crystalline polymer microporous membrane, method for producing the same, an dfilter for filtration |
| 03/03/2011 | US20110049026 Hollow fiber membrane module for water purifier |
| 03/02/2011 | CN1649943B Modified polymer or polymer blends or blend film or moulding body, and methods for producing the same and uses |